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Bactericidal composite of rice sheath blight disease and application of bactericidal composite

A rice sheath blight and composition technology, applied in the field of rice sheath blight bactericidal composition, can solve the problems of exacerbation of disease prevalence and failure of control, and achieve the effects of good quick effect, reduced damage, and remarkable synergistic effect

Inactive Publication Date: 2017-01-25
江苏星源生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Purpose of the invention: In order to overcome the problems in the prior art that the frequency of resistance to the control agents for rice sheath blight is increasing continuously, and the range of resistance is expanding year by year, which often leads to failure of control and aggravation of disease prevalence, the present invention proposes a It has a good synergistic effect on the prevention and control of rice sheath blight, greatly reduces the amount of pesticide application, reduces environmental pollution and residues of agricultural products, has a long-lasting effect and improves rice sheath blight resistance. Composition and its application

Method used

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  • Bactericidal composite of rice sheath blight disease and application of bactericidal composite

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Effect test

Embodiment 1

[0019] A bactericidal composition for rice sheath blight, the dosage form is wettable powder, and the specific proportions of the components are as follows: 18% fludioxonil, 31% prochloraz, 21% bactericidal ingredients of traditional Chinese medicine, 4% sodium phosphate, powder 3%, lauryl alcohol polyoxyethylene ether 3%, activated clay 10%, and the rest is light calcium carbonate supplemented to 100%. Among them, the antiseptic ingredients of traditional Chinese medicine are mint, white peony root, comfrey, plantain, southern crane louse, A mixture of pumpkin seeds.

[0020] The preparation method is as follows: thoroughly mix the above components, pulverize with a sand mill and pass through a 300-mesh sieve to obtain the wettable powder of the bactericidal composition.

Embodiment 2

[0022] A bactericidal composition for rice sheath blight, the dosage form is a suspension, and the specific proportions of the components are as follows: 15% fludioxonil, 20% prochloraz, 15% bactericidal ingredients of traditional Chinese medicine, 2% sodium lignosulfonate, Tween 60 2%, sodium oleate 3%, diesel oil 2%, benzoic acid 1%, and the rest is supplemented with water to 100%. Among them, the antiseptic ingredients of traditional Chinese medicine are myrrh, scutellaria baicalensis, Sperancus, plantain, Shijunzi, A mixture of pumpkin seeds.

[0023] The preparation method is as follows: thoroughly mix the above-mentioned components, and pulverize through a sand mill until the diameter of 90% of the medicament particles is less than or equal to 5 μm, so as to obtain the bactericidal composition suspension.

Embodiment 3

[0025] A bactericidal composition for rice sheath blight, the dosage form is water-dispersible granules, and the specific proportions of the components are as follows: 10.5% fludioxonil, 41.5% prochloraz, 18% bactericidal ingredients of traditional Chinese medicine, 2 sodium lignosulfonate %, Tween 60 2%, glycerin 3%, polyvinyl alcohol 2%, alkylphenol polyoxyethylene ether 1%, and the rest is supplemented with diatomaceous earth to 100%. A mixture of gardenia, red vine, genus chinensis, and southern crane lice.

[0026] The preparation method is as follows: fully mix the above components, prepare the mother powder by pulverizing, mix the mother powder and an appropriate amount of aqueous solution evenly, shear at high speed and grind with a sand mill, then perform fluidized bed granulation, dry and sieve, The water-dispersible granules of the fungicidal composition can be prepared.

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Abstract

The invention discloses a bactericidal composite of a rice sheath blight disease and an application of the bactericidal composite. The most appropriate proportion is sought for preventing and treating the rice sheath blight disease according to different mechanisms of action of various agents, and in combination of a traditional Chinese medicine agent with bactericidal and insect expelling effects. Compared with the traditional agent, the composite has the following advantages: a) the composite is efficient, low in toxicity and residual, good in quick action, long in lasting period and environmentally friendly; b) the composite has no cross resistance to the traditional mainstream agent for preventing and treating the rice sheath blight disease; c) the various agents are compatible and have a significant synergistic action, the bactericidal activity is improved, the administration dosage of a single bactericide is reduced, and the pesticide use cost is reduced; d) a risk level of resistance of pathogenic bacteria to the chemical agent can be reduced, the sensitivity of the pathogenic bacteria is kept, and the resistance of the bacteria to the single agent in a formula can be retarded at the same time when the traditional Chinese medicine agent is added; e) the composite has a significant bactericidal effect, reduces harm of the disease to crop production and increases and improves the yield and quality of agricultural products.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a bactericidal composition for rice sheath blight and its application. Background technique [0002] Rice sheath blight, also known as moire, is commonly known as flower foot stalk, rotten foot blast, eyebrow spot. It is caused by infection by Rhizoctonia solani, and it mostly occurs under high temperature and high humidity conditions. Sheath blight is one of the major diseases in rice production, which is a serious hazard in southern rice areas. The disease prevents the rice from heading, or there are more grains in the heading, and the grain weight decreases. Traditional chemical control is to use Jinggangmycin, thiophanate-methyl, etc. for prevention and control. However, the control effect of existing medicaments is poor, and the incidence of rice sheath blight is high. At present, there is no medicine for treating the disease, and the loss cannot be recovered. The dise...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N43/36A01N65/32A01N65/22A01N65/10A01N65/36A01P3/00
CPCA01N47/38A01N43/36A01N65/00A01N65/10A01N65/22A01N65/32A01N65/36A01N2300/00
Inventor 袁峰袁为民陈民华
Owner 江苏星源生物科技有限公司
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